Super Concentrated Isoflavones -With genistein and daidzein Solgar’s Super Concentrated Isoflavones Tablets have an isoflavone concentration that is approximately 50 times higher than isolated soy protein or soy flour. This product is made of SoyLife, a special isoflavone concentrate. SoyLife is a registered trademark of Schouten USA Inc. SUGAR, SALT AND STARCH FREE · NON GMO · SUITABLE FOR VEGANS